The price of a car is 29,990. If the sales tax rate is 6.5%, then how much sales tax is being charged? What is the total cost for the car including tax?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Prove that 16^4-2^13-4^5 is divisible by 11.